package net.frozenorb.apiv3.models;

import lombok.Getter;
import net.frozenorb.apiv3.APIv3;
import net.frozenorb.apiv3.weirdStuff.ExcludeFromReplies;
import org.bson.Document;
import org.mongodb.morphia.annotations.Entity;
import org.mongodb.morphia.annotations.Id;

import java.util.*;

@Entity(value = "users", noClassnameStored = true)
public final class User {

    @Getter @Id private UUID id;
    @Getter private String lastName;
    @Getter @ExcludeFromReplies private Map<String, Date> aliases;
    @Getter @ExcludeFromReplies private String otpCode;
    @Getter @ExcludeFromReplies private String password;
    @Getter @ExcludeFromReplies private String passwordSalt;
    @Getter private String email;
    @Getter private int phoneNumber;
    @Getter private String lastSeenOn;
    @Getter private Date lastSeenAt;
    @Getter private Date firstSeen;

    public static User byId(String id) {
        try {
            return byId(UUID.fromString(id));
        } catch (Exception ex) {
            throw new IllegalArgumentException("Invalid UUID string " + id, ex);
        }
    }

    public static User byId(UUID id) {
        return APIv3.getDatastore().createQuery(User.class).field("id").equal(id).get();
    }

    // TODO: FIND ALL USAGES OF THIS AND
    // SEE HOW MANY OF THEM (EX NON GET REQUESTS)
    // WE CAN DROP
    public static User byIdOrName(String idOrName) {
        if (idOrName.length() == 36) {
            return byId(UUID.fromString(idOrName));
        } else {
            return byName(idOrName);
        }
    }

    @Deprecated
    public static User byName(String name) {
        return APIv3.getDatastore().createQuery(User.class).field("lastName").equalIgnoreCase(name).get();
    }

    public static List<User> values() {
        return APIv3.getDatastore().createQuery(User.class).asList();
    }

    public User() {} // For Morphia

    public User(UUID id, String lastName) {
        this.id = id;
        this.lastName = lastName;
        this.aliases = new HashMap<>();
        this.otpCode = null;
        this.password = null;
        this.passwordSalt = null;
        this.email = null;
        this.phoneNumber = -1;
        this.lastSeenOn = null;
        this.lastSeenAt = new Date();
        this.firstSeen = new Date();

        aliases.put(lastName, new Date());
    }

    public boolean hasPermissionAnywhere(String permission) {
        return hasPermissionScoped(permission, null);
    }

    public boolean hasPermissionScoped(String permission, ServerGroup scope) {
        // TODO: BLAH FIX THIS IF WE DONT REMOVE THEN IDK WHAT TO SAY
        // Also this is 1 > 0 because 'return true;' means all usages of this
        // get marked as a warning until we change it.
        return 1 > 0;
    }

    public List<Grant> getGrants() {
        return APIv3.getDatastore().createQuery(Grant.class).field("target").equal(id).asList();
    }

    public List<Grant> getGrants(ServerGroup scope) {
        return APIv3.getDatastore().createQuery(Grant.class).field("target").equal(id).field("scopes").equalIgnoreCase(scope.getId()).asList();
    }

    public List<IPLogEntry> getIPLog() {
        return APIv3.getDatastore().createQuery(IPLogEntry.class).field("user").equal(id).asList();
    }

    public List<Punishment> getPunishments() {
        return APIv3.getDatastore().createQuery(Punishment.class).field("target").equal(id).asList();
    }

    public List<Punishment> getPunishments(Punishment.PunishmentType type) {
        return APIv3.getDatastore().createQuery(Punishment.class).field("target").equal(id).field("type").equal(type).asList();
    }

    public UserMetaEntry getMeta(ServerGroup group) {
        return APIv3.getDatastore().createQuery(UserMetaEntry.class).field("user").equal(id).field("serverGroup").equalIgnoreCase(group.getId()).get();
    }

    public void saveMeta(ServerGroup group, Document data) {
        UserMetaEntry entry = getMeta(group);

        if (entry == null) {
            APIv3.getDatastore().save(new UserMetaEntry(this, group, data));
        } else {
            entry.setData(data);
            APIv3.getDatastore().save(entry);
        }
    }

}